When Nick Davis leaves prison after one year in solitairy, he is hired to operate a forklift in a warehouse in the harbor owned by the Japanese Yakuza patriarch Isshin Tendo. The place is assaulted by the Italian Mafia lead by Dino Campanela and Nick rescues and saves the life of Shuji Sawamoto, who is the representative of Yakuza interests in America. Shuji hires Nick to work for Yakuza and becomes his godfather in the family after his oath to join Yakuza. However, Nick is a lonely FBI undercover agent assigned to penetrate the criminal organization. When the FBI discovers that Campanela is organizing a massive attack to destroy the Yakuza, Nick's boss Littman calls off the operation to leave the dirty work to the Italian Mafia. But the connection of Nick with Shuji and his goddaughter Yuko forces him to help his Japanese family.

After four years overseas, Shozo returns to Japan to avenge his yakuza boss who was assassinated by his own treacherous top man, Kurawaki. The resulting battle leaves both men severely injured, and Shozo awakens in a mysterious medical facility to find his arm replaced with an M61 Vulcan cannon and his leg replaced with a rocket launcher. Meanwhile, Kurawaki has been fitted with mechanical augmentations of his own. Get ready for the second round.

Seiji and Yoshifumi are the only members of the Muto branch of the Date Family. The two respect and love their leader, Mr. Muto, like a father and the three share a firm bond. But their fate is sealed when the Family is involved in a conflict. Muto is unable to pay his share of funds for the oncoming battle but tells executives of the Family that he would fight at the front line instead. In the wish to protect Muto, Seiji has him arrested by the police. Ignoring the Family executives' mocks of "Muto escaped to prison", Seiji prepares for the battle and attacks like a demon on behalf of his boss...

When young protege Akira Kageyama is bitten by his dying vampire boss, Genyo Kamiura, he must get used to his new powers before seeking revenge.

In the yakuza society, which has been trying hard but is no longer able to communicate, the Igarashi group, which is famous as a militant yakuza group, is also about to undergo an organizational change. All eyes are on Samejima (Riki Takeuchi), the leader of the group's martial arts group, and Segawa (Hiroshi Fuse), the young head of the group. Meanwhile, contrary to the boss's wishes to lie down on his sickbed, Segawa, the top candidate for successor, begins to do suspicious things behind the scenes. The insatiable greed that the warriors have in their travels begins to stir, and a bloody feud breaks out.

Samejima (Riki Takeuchi), a member of the Igarashi group, thwarts a plan by Yano (Takashi Matsuyama), a member of the Hanamori group, to crush the group. Yano asks for an apology, but Samejima is reluctant. Meanwhile, Dojima (Yoshiyuki Yamaguchi), an executive of the Hanamori-kai, plans to expel Yano after his plan fails, and falsely tells Kurata, a group member who admires Samejima, that Yano is plotting to assassinate Samejima. Kurata (Go Ibusuki) is seduced by this plan and carries out the assassination of Yano without Samejima's knowledge...

Straight to video Yakuza film.

Former yakuza underling Kazuma Kiryū has recently been released from prison after a lengthy incarceration and is trying to piece his life together and distance himself from his yakuza past. Unfortunately, Kiryū's problems slowly escalate as he is pursued by a former associate, the baseball-bat-wielding psycho Gorō Majima, who has a grudge to settle with Kiryū.

A stage play adaption of the 2005 video game 'Yakuza' as part of the 10-year anniversary celebration of the game's release.

Chapter 16 in the hit yakuza series